For a function $f$ that is bounded on a neighbourhood of $c$, say, $|f(x)|
Note that $f$ is continuous at $x=c$ implies that $f$ is bounded on a neighbourhood of $c$.
For a function $f$ that is bounded on a neighbourhood of $c$, say, $|f(x)|
Note that $f$ is continuous at $x=c$ implies that $f$ is bounded on a neighbourhood of $c$.